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Meteors and Comets (Early Bird Astronomy)" скачать


'Meteors
Название: Meteors and Comets (Early Bird Astronomy)"
Автор: Gregory Vogt
Издательство: Lerner
Год: 2010
Страниц 48
ISBN: 0761338764
Формат: PDF
Размер: 14,2 MB
Язык Английский
Have you ever seen a shooting star? What you really saw was a meteor! A meteor is actually a chunk of metallic or stony matter - called a meteoroid - that enters the earth's atmosphere from outer space. A comet, on the other hand, is a lump of ice and dust that periodically comes into the center of the solar system from somewhere in its outer reaches. Learn more about meteors and comets in this lively and informative book!







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